APA (7. basım) Alıntı
Hardwick, P., & Langmead, J. a. K. B. (1999). An Introduction to modern economics (5th ed.). Prentice hall.
Chicago Style (17. basım) Atıf
Hardwick, Philip, ve John and Khan Bhadur Langmead. An Introduction to Modern Economics. 5th ed. Harlow, England: Prentice hall, 1999.
MLA (9th ed.) Atıf
Hardwick, Philip, ve John and Khan Bhadur Langmead. An Introduction to Modern Economics. 5th ed. Prentice hall, 1999.
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